Just a little finding (FXAA by Some Dude)

Seero

Golden Member
Nov 4, 2009
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Recently, a developer by the name of "Some Dude" has wrote a ... mod that enables FXAA on Dx8, Dx9 and Dx10 games. It's quality can be compared to 4xAA, yet the performance impact is less than 2xAA. It works on both AMD and Nvidia video cards although some say it has gamma problem and different version of the mod works on different games.

If I am not mistaken, the latest version is beta 7. Google about it.